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guard against merges with resource and base reloc sections

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This commit is contained in:
Nikita Smith
2025-05-08 16:30:54 -07:00
committed by Ryan Fleury
parent 86fe2ddd38
commit 2c5fb7e7ef
4 changed files with 64 additions and 2 deletions
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src/linker/lnk_section_table.c
+17
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@@ -240,9 +240,26 @@ lnk_section_table_merge(LNK_SectionTable *sectab, LNK_MergeDirectiveList merge_l
{
ProfBeginFunction();
Temp scratch = scratch_begin(0, 0);
LNK_Section **src_dst = push_array(scratch.arena, LNK_Section *, sectab->id_max);
for (LNK_MergeDirectiveNode *merge_node = merge_list.first; merge_node != 0; merge_node = merge_node->next) {
LNK_MergeDirective *merge = &merge_node->data;
// guard against illegal merges
{
local_persist String8 illegal_merge_sections[] = {
str8_lit_comp(".rsrc"),
str8_lit_comp(".reloc"),
};
for (U64 i = 0; i < ArrayCount(illegal_merge_sections); i += 1) {
if (str8_match(merge->src, illegal_merge_sections[i], 0)) {
lnk_error(LNK_Error_IllegalSectionMerge, "illegal to merge %S with %S", illegal_merge_sections[i], merge->dst);
}
if (str8_match(merge->dst, illegal_merge_sections[i], 0)) {
lnk_error(LNK_Error_IllegalSectionMerge, "illegal to merge %S with %S", merge->src, illegal_merge_sections[i]);
}
}
}
// are we trying to merge section that was already merged?
LNK_Section *merge_sect = 0;